Lines AD and BC are parallel. Find the measures of the three angles in triangle ADE.
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In ∆
ABC,
∠ACD = ∠A + ∠B (Exterior angle property)
= 70∘ + 40∘
= 110∘
Hence, the measure of ∠
ACD is 110∘.
ABC,
∠ACD = ∠A + ∠B (Exterior angle property)
= 70∘ + 40∘
= 110∘
Hence, the measure of ∠
ACD is 110∘.
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